{"id":4132,"date":"2020-10-30T20:49:07","date_gmt":"2020-10-30T19:49:07","guid":{"rendered":"https:\/\/webhosting.de\/?p=4132"},"modified":"2021-07-15T13:05:52","modified_gmt":"2021-07-15T12:05:52","slug":"mariadb-mysql-root-password-forgotten","status":"publish","type":"post","link":"https:\/\/webhosting.de\/da\/mariadb-mysql-root-passwort-vergessen\/","title":{"rendered":"MariaDB \/ MySQL Root Password glemt"},"content":{"rendered":"

Har du igen mistet din adgangskode-liste? Hovedbrugernes loginoplysninger kan nemt g\u00e5 tabt og er ikke gemt i selve systemet.
\nDet er i hvert fald lettere her med databaser, der anvendes af Indhold<\/a> styringssystemer gemmes adgangskoden i klartekst i de respektive konfigurationsfiler. Dette er ikke tilf\u00e6ldet for hovedbrugeren af databaseserveren.
\nSom regel er brugernavnet root. P\u00e5 Plesk<\/a> Brugernavnet \"admin\" bruges dog til installationer. Adgangskoden til en Plesk-server kan nemt l\u00e6ses fra .psa\/shadow-filen. F.eks. med kommandoen:<\/p>\n

mysql<\/a> -uadmin -p`cat \/etc\/psa\/.psa.shadow<\/code><\/p>\n

Hvis du har brug for at nulstille adgangskoden helt, skal du blot g\u00e5 frem som f\u00f8lger.<\/p>\n

Stop databaseserveren. F.eks. under Centos7 med MariaDB med <\/p>\n

systemctl stop mariadb.service<\/code><\/p>\n

Hvis du bruger en anden databaseserver, kan dette ogs\u00e5 g\u00f8res med<\/p>\n

\/etc\/init.d\/mysql stop<\/code><\/p>\n

MariaDB \/ MySQL \u00e6ndre root password<\/h2>\n

Nu starter vi databaseserveren uden begr\u00e6nsninger og rettighedsstyring, s\u00e5 den kan administreres uden adgangskode. For at g\u00f8re dette bruger vi indstillingen -skip-grant-tables, som fjerner begr\u00e6nsningerne, og -skip-networking, s\u00e5 der ikke kan ske ekstern adgang under indstillingen.<\/p>\n

mysqld_safe --skip-grant-tables --skip-networking &<\/code><\/p>\n

Nu kan du nemt \u00e6ndre adgangskoden til MySQL.<\/p>\n

mysql -u root
\nmysql> use mysql;
\nmysql> update user set password=PASSWORD(\"the_desired_password\") where User='root';
\nmysql> flush privilegier;
\nmysql> exit<\/code><\/p>\n

Nu er adgangskoden blevet \u00e6ndret, og databaseserveren kan lukkes.<\/p>\n

mysqladmin shutdown<\/code><\/p>\n

S\u00e5 den kan derefter startes normalt.<\/p>\n

systemctl start mariadb.service<\/code><\/p>\n

Yderligere oplysninger kan naturligvis ogs\u00e5 findes i producentens vejledning p\u00e5 https:\/\/mariadb.com.<\/p>","protected":false},"excerpt":{"rendered":"

Haben Sie mal wieder Ihre Passwortliste verlegt? Die Logindaten von Hauptbenutzern gehen schnell mal verloren und werden auf dem System selbst nicht gespeichert. Einfacher ist es hier sicherlich bei Datenbanken die von Content Management Systemen verwendet werden, hier wird das Kennwort im Klartext in den jeweiligen Konfigurationsdateien gespeichert. Beim Hauptbenutzer des Datenbankservers ist dieses nicht 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